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Double-Impeller Technology

Greater cutting precision and improved stability.

Three air nozzles

Primary impeller

Fixed fins to direct the exhaust air

Secondary impeller

Quick Stop Brake System

STERLING® offers rapid braking within 2 seconds. During rotation, the uniquely designed rubber brake ring in STERLINGTM is pulled away from the turbine axis. During braking, the rubber brake ring rubs against the turbine axis, stopping it significantly faster.